WordWeb Online

1. Set in a rigidly conventional pattern of behaviour, habits, or beliefs
   "an ossified bureaucratic system";
   - fossilized, fossilised [Brit]

1. Become bony
   "The tissue ossified"
    
2. Make rigid and set into a conventional pattern
   "ossified teaching methods";
   - rigidify, petrify
    
3. Cause to become hard and bony
   "The disease ossified the tissue"

See also: inflexible

Type of: alter, change, change state, modify, stiffen, turn

Encyclopedia: Ossified